The website acts only to introduce parties and does not facilitate transactions.
Chemours, for example, is offering Zelan R3, a nonfluorinated, 60%- biobased coating for preventing stains on fabrics.
The analyzed crystal displays a texturally and chemically distinctive core and rim that suggests episodic growth.
Chem Sec says it launched the website to raise the visibility of hazardous chemical substitutes.
Other guides exist, “but very few of these show the way forward,” says Anne-Sofie Andersson, the group’s executive director. The Marketplace initiative is being funded by the John Merck Fund, a Massachusetts-based charitable organization that aims to spend up to 0 million on human health and environment projects by 2020.
Another, more accurate, method depends on the fact that amino acids in living organisms are l-optical isomers.
After death, these racemize and the age of bones can be estimated by measuring the relative amounts of d- and l-amino acids present.